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11
Check and Adjust
Roteo 20HV/25H/35/35G - 1.2.0en
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battery compartment. The plus contact is rounded and
raised. When replacing batteries, change both at the
same time.
X Replace the compartment and tighten with a coin or
screwdriver.
Using rechargeable NiMH batteries
If your laser has a rechargeable battery, you must
charge it for 8 hours before first using the laser.
X Insert the charger plug into the jack located at the
back of the laser, under the wall mount.
X Plug the charger into an electrical outlet.
X Charge for 8 hours.
Later recharging
The laser can be charged while working if electricity is
available on the jobsite. Simply plug in the charger and
keep on working.
You can also remove the battery pack to charge it, or
replace it with the alkaline battery compartment to keep
on working.
Check and Adjust
Notes and Responsibilities
• It is the responsibility of the user to follow operating
instructions and to periodically check the accuracy of
the instrument and work as it progresses.
• The laser is adjusted to the defined accuracy specifi-
cations at the factory. It is recommended to check
your laser for accuracy upon receipt and periodically
thereafter to ensure accuracy is maintained. If your
laser requires adjustment, contact the nearest autho-
rized service center or adjust the laser using the
following procedure.
• Do not enter this mode or attempt adjustment unless
you plan to change the accuracy. Accuracy adjust-
ment should only be performed by a qualified indi-
vidual that understands basic adjustment principles.
Checking level accuracy
To check the level accuracy of your laser, place the unit
on a flat, level surface or tripod approximately 30 meters
(100 ft.) from a wall. See illustration {L} in the back,
inside cover of this manual.
X Align the X-axis so that it is square to the wall. Allow
the laser to self-level completely (approximately one
minute after the laser begins to rotate). Then mark the
position of the beam (Position 1).
X Rotate the laser 180°, allow it to self level and mark
the opposite side of the first axis (Position 2).
X Align the Y-axis by rotating the laser 90° so that this
axis is now square to the wall. Allow the laser to self-
level completely, and then mark the position of the
beam (Position 3). See illustration {M} in the back,
inside cover of this manual.
X Rotate the laser 180°, allow it to self level and mark
the opposite side of the Y-axis (Position 4).
X The laser is within its accuracy specification if the four
marks are within ± 3 mm (± 1/8") from the center.